Upgrade vllm commit hash to 1216 (#5053)

### What this PR does / why we need it?
Upstream vLLM PR #30212 https://github.com/vllm-project/vllm/pull/30212
refactored the attention backend selection interface, This PR adapts
vllm-ascend's get_attn_backend_cls to align with the new upstream
standard, ensuring compatibility and reducing maintenance overhead.
### Does this PR introduce _any_ user-facing change?

### How was this patch tested?

co-author:[leo-pony][nengjunma@outlook.com](mailto:nengjunma@outlook.com)
- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c

---------

Signed-off-by: zxwang <1476209578@qq.com>
Signed-off-by: leo-pony <nengjunma@outlook.com>
Co-authored-by: leo-pony <nengjunma@outlook.com>

tests/e2e/multicard/test_offline_inference_distributed.py

@@ -113,11 +113,9 @@ def test_sp_for_qwen3_moe() -> None:
                     dtype="auto",
                     tensor_parallel_size=2,
                     distributed_executor_backend="mp",
-                    compilation_config={
-                        "pass_config": {
-                            "enable_sequence_parallelism": True
-                        }
-                    },
+                    compilation_config={"pass_config": {
+                        "enable_sp": True
+                    }},
                     enable_expert_parallel=True,
                     enforce_eager=True) as vllm_model:
         vllm_model.generate(example_prompts, sampling_params)